Mary wrote an article on _why_the team has failed to win the game．为什么是ON+why呢?不用ON不行吗

mary wrote an article on ___the team had failed to win the game.为什么不能选Da whyb whatc whod that为什么不选取D Mary wrote an article on___the team had failed to win the game.A.why B.that,为何用why不用that? Mary wrote an article on _why_the team has failed to win the game．为什么是ON+why呢?不用ON不行吗 Mary wrote an article on why the team had failed to win the game句子分析.Mary wrote an article on why the team had failed to win the game.这个句子中on why the team had fail是作定语还是状语. The professor wrote an e_____ on Homer Mary wrote an article on_______(为什么这支队伍为赢得)the game.(win)答案为什么是接上文：why this team hadn't win为什么要用hadn't?是因为句式关系么? Mary wrote an article on_______(为什么这支队伍为赢得)the game.(win)答案为什么是接上文：why this team hadn't win为什么要用hadn't? Mary wrote a letter to me last week.对划线部分提问,划线部分是wrote a letter to me he wrote an eight-hundred-word composition 的意思? e-mail wrote last year an he [排序] mary is an Ehglish girl同义句mary is【】【】 composition essay article 的用法不一样 He wrote an article He wrote a compositionHe wrote an essay 都可以翻译成他写了一篇作文吗. 英语某个特别位置介词的用法我觉得“Mary wrote an article on why the team had failed to win the game.”里的on很别扭,介词怎么能这么用?另外一句,Writing an article on how London hotels treat people in wheelchairs.这里 what引导的感叹句在什么情况下不需要不定冠词?eg:1.What ( ) exciting news it is!Is ( ) news true?A.an;the B.an;a C./;the2.—What ( ) sweet music!Do you know who wrote it?—Beethoven,I think.A./ B.a C.an3.Mary has a bad cold.She has An hour l__,Mary finished her homework. 英语题、高一、定语从句和表语从句(3).I thought that he disliked playing football,__________?A．didn’t he B．did he C．did I D．didn’t I dislike不是否定么、为么不选b3.Mary wrote an article on ________ the team had fail 关于直接间接宾语和宾语补足语书上印有句子“Mary wrote an article on why the team had failed to win the game.”并称“why the team had failed to win the game”部分为宾语.书上又有“We showed him some photos.”为主 英语翻译7.Mary wrote an article on _______ the team had failed to win the game.A.why B.what C.who D.that9.—Why does she always ask you for help?—There is no one else _______,is there?A.who to turn to B.she can turn to C.for whom to turn D.for